What is B7-33?
B7-33 is a synthetic peptide analog of relaxin studied for its effects on fibrosis reduction and tissue remodeling.
Where to Buy B7-33 Online
14 vendors in our directory currently list B7-33 — 12 online stores and 2 wholesale suppliers. Stores sell by the vial with a price you can check; wholesale suppliers quote per gram on enquiry. Featured vendors paid for their placement; ratings and trust signals are never for sale.
| Vendor | Trust signals | Reputation score | User reviews | Coupon | Visit vendor |
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| 4.9Rated 4.9 out of 5 | No user reviews | — | Visit site | |
| 4.8Rated 4.8 out of 5 | No user reviews | — | Visit site | |
| 4.7Rated 4.7 out of 5 | No user reviews | — | Visit site | |
| 4.4Rated 4.4 out of 5 | No user reviews | — | Visit site | |
| Not yet rated | No user reviews | — | Visit site | ||
| Not yet rated | No user reviews | — | Visit site | ||
| Not yet rated | No user reviews | — | Visit site | ||
| Not yet rated | No user reviews | — | Visit site | ||
| Not yet rated | No user reviews | — | Visit site | ||
| Not yet rated | No user reviews | — | Visit site | ||
| Not yet rated | No user reviews | — | Visit site | ||
| Not yet rated | No user reviews | — | Visit site |
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2 wholesale suppliers list B7-33 for bulk orders. Quote-based — send an enquiry from the supplier's page and compare MOQ, lead time and COAs. Your enquiry goes to the supplier through PeptidesFinder; their reply lands in your inbox.
Mechanism of Action
It selectively activates the RXFP1 receptor, triggering anti-fibrotic signaling without unwanted vasodilatory effects.
Clinical Research
Cited studies
Researched Benefits
Research on B7-33 has focused on the following areas:
- Investigated for anti-fibrotic effects in heart, lung, kidney, and liver tissue
- May support vasodilation and reduced blood pressure via relaxin receptor signaling
- Studied for cardioprotection and improved cardiac function after ischemic injury
Side Effects & Safety
Adverse reactions and limitations documented for B7-33 include:
- Hypotension risk
- Limited human studies
